![](dotnetdiagramimages/MESCIUS_ActiveReports_Core_Rendering_GrapeCity_DataVisualization_Chart__BaseHierarchicalPointDataModel.png)
'宣言
Public MustInherit Class _BaseHierarchicalPointDataModel Inherits _PointDataModel Implements IBaseHierarchicalPointDataModel, IDataModel, GrapeCity.DataVisualization.Chart.IGrouping(Of DataValueType), IPointDataModel, IQueryInterface, GrapeCity.DataVisualization.Chart.ITreeNode(Of IBaseHierarchicalPointDataModel)
public abstract class _BaseHierarchicalPointDataModel : _PointDataModel, IBaseHierarchicalPointDataModel, IDataModel, GrapeCity.DataVisualization.Chart.IGrouping<DataValueType>, IPointDataModel, IQueryInterface, GrapeCity.DataVisualization.Chart.ITreeNode<IBaseHierarchicalPointDataModel>
System.Object
GrapeCity.DataVisualization.Chart._DataModel
GrapeCity.DataVisualization.Chart._PointDataModel
GrapeCity.DataVisualization.Chart._BaseHierarchicalPointDataModel
GrapeCity.DataVisualization.Chart._HierarchicalPointDataModel
GrapeCity.DataVisualization.Chart._RootHierarchicalPointDataModel